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Izaac

#2,855 in 2025Boys' name

Meaning and linguistic origin unconfirmed

Izaac has been given to 2,845 babies in the U.S. since 1977. In 2025 it ranked #2,855 of 13,926 boys’ names in use. Its peak year was 2009, with 151 recorded.

Babies named Izaac, 2025

1 in 75,300

Izaac over time, 1880–2025

Boys
05010015020018801900192019401960198020002020

Based on births in the U.S. Babies given the name each year. Hover the chart — or focus it and use the arrow keys — for any year. Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Izaac: meaning, origin, and history

Meaning and linguistic origin unconfirmed

Deeper origin not confirmed in the cited records

What Izaac means

Izaac is a given name.

The naming story behind Izaac

Wikidata records Izaac as a male given name. The entity identifier is Q21142357, and the classification was checked on 2026-10-20. The spelling matches a source label or alias exactly, without removing accents or linking it to a name merely because the letters look similar.

A database classification is different from an etymological explanation, so those questions remain open in the short meaning.

A modern root explanation needs an additional naming or linguistic reference.

American usage and historical context

In the United States, 2,845 boys were recorded with the name Izaac between 1977 and 2025. Its highest annual count was 151 in 2009; its best national rank was #1,191 in 2005.

Over 5 years its rank fell, from #2,174 in 2020 to #2,855 in 2025. Over 10 years its rank fell, from #1,363 in 2015 to #2,855 in 2025.

Sources & methodologyReferences, data & attribution

Meaning, origin, and language notes draw on the references below.

American popularity figures use published Social Security Administration records for this exact spelling. Counts below five for a name, sex, and year are omitted.

How common is Izaac?

Everything below is computed from the 2025 data — the most recent year available.

Among all babies, 2025
1 in 75,300
44 of 3,315,165 births
Among boys only
1 in 38,800
<0.01% of boys
Rank, 2025
#2,855
of 13,926 boys’ names in use
Coin-flip room size
52,226 kids
Even odds of a second one

Where Izaac sits on the popularity scale

Rarest published (5 a year)#1 — Liam (20,818)

Chance at least one other child shares the name

If the other children were drawn at random from the 2025 national name distribution. Real classrooms cluster by region and community, so treat these as a floor, not a ceiling.

Class of 20Under 1%
Class of 30Under 1%
Grade of 100Under 1%
School of 500Under 1%

Put another way: gather 52,226 children born in 2025 and it's an even bet that one of them is another Izaac. In a class of 30 the chance is Under 1%.

When Izaacs were born

Half of everyone ever recorded as Izaac was born before 2010 — so the typical Izaac is around 15 today.

Median birth year
2010
About 15 years old
Biggest decade
2010s
39.4% of all use
Born in the last 25 years
86.8%
A modern name
Recorded since 1950
2,845
People you could plausibly meet
Choose a decade

2010s — 39.4% of all recorded uses (1,120).

Is Izaac rising or falling?

Rank movement and count movement can disagree — the number of distinct names in use keeps growing, so a name holding a steady count still slides down the list. Both are shown.

Rank vs 1 year ago
−243
Places dropped
Rank vs 5 years ago
−681
Places dropped
Rank vs 10 years ago
−1,492
Places dropped
Births vs 10 years ago
0.34×
Fewer babies than then
Share of its own peak
29.1%
Peak was 2009 (151)
Years since peak
16
Years
Year-to-year steadiness
Shifting
14.1% average annual change
Best rank ever
#1,191
2005

Spellings of Izaac

Izaac is not the most common spelling — Isaac is, with 82.1% against Izaac's 0.70%.

Grouped by closeness of spelling (up to two letter changes), same sex, with a floor on all-time use. It catches Sophia/Sofia and Aiden/Ayden, and misses spellings that sound alike but look different, like Sean and Shawn.

Where Izaac is used

Across 1910–2025, Izaac was most concentrated in Arizona — about 1 in 25,000 boys, against 1 in 79,432 across all states with data. It was least common in Pennsylvania (1 in —).

04 per 100,000

Most concentrated

  1. 1Arizona1 in 25,000
  2. 2California1 in 33,333
  3. 3Texas1 in 33,333
  4. 4Florida1 in 50,000
  5. 5Nevada1 in 50,000
  6. 6Colorado1 in 100,000
  7. 7Idaho1 in 100,000
  8. 8Illinois1 in 100,000

Shading is the share of that state's recorded boys given this name, not the raw count — otherwise the map would just show which states are biggest. Unshaded states have no published records for this period. U.S. birth records suppress state-year counts below 5; state counts therefore don't add up to the national total. Every state links to its full rankings. Izaac has too little recent state data to map, so this covers all years from 1910.

Izaac around the world

Where Izaac ranks in official birth records elsewhere in the world. Rankings only — the number of births isn’t comparable between places, so it isn’t shown.

  • England & Wales
    1996–2025
    #2,133
    in 2025
  • Scotland
    2019–2019
    #701
    in 2019
  • Northern Ireland
    2011–2011
    #375
    in 2011
  • Ireland
    2010–2010
    #720
    in 2010
  • France
    2003–2025
    #889
    in 2025
  • Canada
    1999–2024
    #2,328
    in 2024
  • South Australia
    1981–2013
    #754
    in 2013

Popularity data from Office for National Statistics, National Records of Scotland, Northern Ireland Statistics and Research Agency, Central Statistics Office, Institut national de la statistique et des études économiques, Statistics Canada and Consumer and Business Services (South Australia). ONS, NRS, NISRA data under Open Government Licence v3.0. CSO, CBS SA data under CC BY 4.0. INSEE data under Licence Ouverte / Etalab 2.0. StatCan data under Statistics Canada Open Licence.

Notable people named Izaac

People whose public names include Izaac, backed by Wikidata given-name records and ordered by linked Wikimedia pages. The name may be a middle name.

People data from Wikidata (CC0). Fame is measured, not judged — the order reflects how widely each person is documented, not the U.S. birth records popularity this page is otherwise about.

Izaac in other languages

Cross-language forms and variants of Izaac. Linked forms have their own page here.

IsacIsakIzakIsaacIsaakIssacIzaakItzhakYitzhakIzsákIsaccoIisakki

Variant forms from Wikidata (CC0). Most are used mainly outside the United States; U.S. birth records statistics cover US usage only.

Izaac by the numbers

The raw record for each sex the name is used for.

As a boy's name

Rank in 2025
#2,855
Trend vs 5 yrs ago
Down 681
Best rank ever
#1,191
2005
Peak year
2009
151 that year
First recorded
1977
Last recorded
2025
All-time count
2,845
Count in 2025
44

Names similar to Izaac

Matched on shared beginnings and endings, similar length, and comparable popularity.

IzaakIzaelIzayaIzanIzayahIzakIzaanIzackIzacIzaiahIzaiasIzaiyahIzaihIzaihaIzaccIzaiaIzaahIzarIzahaIzayiahIzachIzairIzayusIzaeah

Names with a curve like Izaac

Not spelling — timing. These names rose, peaked and faded in the same years as Izaac, so they read as being from the same moment even when they look nothing alike.

JavianSiddharthZavionChayseKaylebEianCorbanKamrenIshanCamrynLeytonFilip

Sibling names for Izaac

Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.

Explore around Izaac

Top names of 2009, Izaac's peak yearThe 2000s in fullOther names that peaked in 2005Boys' names starting with I